7225266077 has 2 divisors, whose sum is σ = 7225266078. Its totient is φ = 7225266076.

The previous prime is 7225266053. The next prime is 7225266079. The reversal of 7225266077 is 7706625227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6840282436 + 384983641 = 82706^2 + 19621^2 .

It is a cyclic number.

It is not a de Polignac number, because 7225266077 - 2²⁰ = 7224217501 is a prime.

Together with 7225266079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7225266079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612633038 + 3612633039.

It is an arithmetic number, because the mean of its divisors is an integer number (3612633039).

Almost surely, 2^7225266077 is an apocalyptic number.

It is an amenable number.

7225266077 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225266077 is an equidigital number, since it uses as much as digits as its factorization.

7225266077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 44.

The square root of 7225266077 is about 85001.5651444137. The cubic root of 7225266077 is about 1933.2348479327.

The spelling of 7225266077 in words is "seven billion, two hundred twenty-five million, two hundred sixty-six thousand, seventy-seven".